Annals of Cardiac Anaesthesia Annals of Cardiac Anaesthesia Annals of Cardiac Anaesthesia
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Table of Contents
Year : 2013  |  Volume : 16  |  Issue : 2  |  Page : 155
In response to, 'Magnets and implantable cardioverter defibrillators'

1 Wiwanitkit House, Bangkhae, Bangkok, Thailand
2 Hainan Medical University, China

Click here for correspondence address and email

Date of Web Publication29-Mar-2013

How to cite this article:
Wiwanitkit S, Wiwanitkit V. In response to, 'Magnets and implantable cardioverter defibrillators'. Ann Card Anaesth 2013;16:155

How to cite this URL:
Wiwanitkit S, Wiwanitkit V. In response to, 'Magnets and implantable cardioverter defibrillators'. Ann Card Anaesth [serial online] 2013 [cited 2022 Oct 6];16:155. Available from:

The Editor,

The recent report on "Magnets and implantable cardioverter defibrillators (ICDs)" is very interesting. Rodriguez-Blanco, et al., reported "a case where magnet use failed to inhibit ICD sensing of electromagnetic interference (EMI), and a shock was delivered to the patient". [1] As described by the authors, ICD is a widely used medical device and it can be problematic during surgery and anesthesia, particularly during surgery in the area close to the site of implantation of the ICD. There is no doubt that several devices during surgical procedure can cause EMI and can result in malfunctioning of the ICD. A recent report on a problematic case in ophthalmic surgery can be a good example. [2] It should also be noted that the non-medical device such as simple computer can also induce aberration of ICD function. [3] The good pre-, intra-, and post-operation care for the case with ICD is very important in anesthesiology. "Prior consultation with qualified programmers is recommended to enable timely optimization of the device". [4] Nevertheless, preventive action by designing new generation device to lower EMI should be considered.

   References Top

1.Rodriguez-Blanco YF, Souki F, Tamayo E, Candiotti K. Magnets and implantable cardioverter defibrillators: What's the problem? Ann Card Anaesth 2013;16:54-7.  Back to cited text no. 1
[PUBMED]  Medknow Journal  
2.Peter NM, Ribes P, Khooshabeh R. Cardiac pacemakers and electrocautery in ophthalmic surgery. Orbit 2012;31:408-11.  Back to cited text no. 2
3.Tiikkaja M, Aro A, Alanko T, Lindholm H, Hietanen M. Inappropriate implantable cardioverter-defibrillator magnet-mode switch induced by a laptop computer. Pacing Clin Electrophysiol 2012;35:e177-8.  Back to cited text no. 3
4.Navaratnam M, Dubin A. Pediatric pacemakers and ICDs: How to optimize perioperative care. Paediatr Anaesth 2011;21:512-21.  Back to cited text no. 4

Correspondence Address:
Somsri Wiwanitkit
Wiwanitkit House, Bangkhae, Bangkok
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0971-9784.109777

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